111503-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111503-75-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,5,0 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 111503-75:
(8*1)+(7*1)+(6*1)+(5*5)+(4*0)+(3*3)+(2*7)+(1*5)=74
74 % 10 = 4
So 111503-75-4 is a valid CAS Registry Number.